Learn how to make a windmill at home for a school project with this easy step-by-step guide. Create a functional pinion-wheel windmill using simple materials, perfect for science fairs, STEM activities, and classroom presentations. The Pinion-wheel Windmill in Fig. 4 may be made of cardboard or tin. A circular piece 10 or 12 inches in … Continue reading How to Make a Windmill at Home for School Project – The Pinion-wheel Windmill